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Finding the Fourth Proportional to 655,598.67, 981,724.47 and 522,672.81

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Solution

The fourth proportional to 655,598.67, 981,724.47 and 522,672.81 is: 782,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,598.67 : 981,724.47 = 522,672.81 : x
  2. Step 2: Convert to fraction form
    655,598.67/981,724.47 = 522,672.81/x
  3. Step 3: Cross multiply
    655,598.67x = 981,724.47 × 522,672.81
  4. Step 4: Simplify right side
    655,598.67x = 513,120,687,380.66
  5. Step 5: Solve for x
    x = 513,120,687,380.66/655,598.67
  6. Step 6: Final answer
    x = 782,675.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.